Yakov Fain is Java Champion and a co-founder of two software companies: Farata Systems and SuranceBay. He authored several technical books and lots of articles on software development. He leads Princeton Java Users Group. Recently Yakov co-authored the book "Enterprise Web Development" (O'Reilly). Two of his books will be published this year: "Java For Kids" (No Starch Press) and the second edition of "Java 24-Hour Trainer" (Wrox).